A power supply for charging multiple devices that can be adapted to receive and charge practically any type of portable electronic device includes a base that receives an ac wall voltage and converts the wall voltage to dc voltage. The base includes at least two docking cavities that can simultaneously, physically and electrically couple the base to two portable electronic devices such that the devices are supported by the dock while they are being charged. The devices are supported so that there displays are visible and their controls are accessible. Adapters can also be inserted into the docking cavities to reconfigure the cavity to physically support a different type of device.
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6. A charging dock for charging at least two portable electronic devices, said charging dock comprising:
two docking stations wherein each station has a docking cavity that is adapted to mount and hold a portable electronic device in an upright position such that a display of the device is visible while the charging dock is charging a power supply of the device;
a rechargeable battery that is charged when said charging dock is connected to an external power supply such that said charging dock can be used to charge a device when the charging dock is not connected to the external power supply; and
at least one insert dimensioned to be positioned entirely inside one of said docking cavities that alters an interior dimension of the docking cavity to configure the docking cavity to support a different size of portable electronic device.
1. A charger for charging a plurality of electronic devices, said charger comprising:
at least two docks wherein each dock has a docking cavity adapted to receive a first type of portable electronic device having a display and user controls such that an electrical connector in the docking cavity is electrically coupled to an electrical connector of the portable electronic devices and a rechargeable power supply of the device is charged while the device is supported so that the display can be viewed and the user controls accessed;
a rechargeable power supply that is charged when said charger is connected to an external power supply such that said charger can be used to charge said plurality of electronic devices when the charger is not connected to an external power supply; and
at least one dock adapter dimensioned to fit entirely in said docking cavity that alters an internal dimension of the docking cavity such that the docking cavity can support a second portable electronic device having different dimensions than the first portable electronic device.
13. A charging dock for simultaneously charging at least two portable electronic devices, said charging dock comprising:
a wall outlet plug for receiving an ac wall voltage;
a converter for converting the ac wall voltage to a dc voltage;
a first docking station having a cavity with an electrical connector positioned therein for receiving a portable electronic device such that a power supply of the device can be charged wherein the cavity is dimensioned to support a first type of portable electronic device having a display and a user control such that the display is visible and the control is accessible when the device is supported in the cavity;
a second docking station having a cavity with an electrical connector positioned therein for receiving a portable electronic device such that a power supply of the device can be charged wherein the cavity is dimensioned to support a portable electronic device having a display and a user control such that the display is visible and the control is accessible when the device is supported in the cavity;
a rechargeable battery that is charged when said charging dock is connected to an external power supply such that said charging dock can be used to charge a device when the charging dock is not connected to the external power supply; and
at least one adapter that can be entirely inserted into one of the two cavities to alter the dimensions of the cavity such that the cavity can support a second type of portable electronic device having a display and a user control such that the display is visible and the control is accessible when the device is supported in the cavity.
2. The charger of
3. The charger of
4. The charger of
5. The charger of
7. The charging dock of
9. The charging dock of
14. The charging dock of
15. The charging dock of
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None.
Not Applicable
Not Applicable
Portable electronic devices are increasingly common in modern society. Each of these portable devices has a rechargeable power supply that requires a corresponding power supply charger that conditions power received from a wall outlet to the voltage and current parameters required for the particular type of device. As the number of devices increases, users have to maintain an increasing number of chargers to satisfy the requirements of their multiplying devices. Each charger typically consists of a 120 volt plug attached to transformer and an AC to DC voltage converter that produces the appropriate DC voltage for charging the particular type of electronic device and a device specific connector configured to couple to the device for which the charger is designed. The charger may also contain a physical mount or dock that supports or mounts the device while it is charging it. Since many of these types of chargers are similar in appearance, a user will often confuse the chargers and bring the wrong one or have to try various chargers before locating the appropriate one to charge a particular device. In addition, since a charger is typically designed for a particular device, a user will usually discard the charger when the device's useful life ends, even though the charger is perfectly capable of charging another device owned by the user.
Chargers for multiple devices such that that described in U.S. Pat. No. 4,739,242 are known. However, devices such as these do not support the products such that they can be used while they are being charged and are limited in that each charging station is permanently configured for a particular type of device. In addition, the devices are weakly supported and tend to disengage from the charger coupling.
The marketing and selling of power supplies also presents many obstacles. Consumers are typically ill informed about the details of chargers and don't want to have to locate a separate charger when purchasing a device. Thus, chargers are typically included with a device. When the device is no longer needed, the charger is discarded. However, due to the simplicity and overall durability of the basic components of power supplies, the power supply is typically still fully functional when the device is no longer usable and contains many of the same the basic components as the new charger that will be provided to the purchaser when they purchase a new device. Furthermore, since the manufacturers know that the chargers will be discarded before their components fail; there is little incentive to use high quality durable components in chargers.
In light of the problems discussed above, what is needed is an improved charger that can support and accept a large variety of different devices and accommodate new devices as they are developed.
The present invention is directed toward a charger for charging a plurality of electronic devices. The charger includes at least two docks. Each dock is adapted to receive a first type of portable electronic device having a display and user controls such that an electrical connector in the dock is electrically coupled to an electrical connector of the portable electronic device and a rechargeable power supply of the device is charged. The docks support the devices so that the display of the device can be viewed and the user controls accessed while the device is charging. Each dock can be reconfigured to receive a second portable electronic device having different dimensions than the first portable electronic device with a dock adapter that alters an internal dimension of the docking station. In addition, a dock adapter having an input connector that can be coupled to the connector in the docking station and an output connector that is adapted to connector to a different type of connector than the input connector can be used to accommodate devices having different connectors. The adapter may also include a voltage converter for converting a first DC voltage to a second DC voltage. An FM transmitter can be included in the base to receive an output signal from a device coupled to one of the docking stations and produce an FM broadcast signal based upon the output signal. In such an embodiment, a display may be included for displaying a transmit frequency and user inputs that allow a user to alter the transmit frequency.
Another embodiment of the present invention is directed toward a charging dock for charging up to four portable electronic devices. The charging dock includes four docking stations. Each station is adapted to mount and hold a portable electronic device in an upright position such that a display of the device is visible while the charging dock is charging a power supply of the device. Each docking station can be configured to accept at least two different types of portable electronic devices including a digital media player. The docking stations have a cavity and a unitary plastic insert is positioned into the cavity to configure the cavity to accept a different type of portable electronic device. The insert may also include a first connector for electrically connecting to the connector in the cavity and a second connector for electrically connecting to a different type of device than the connector in the cavity. A rechargeable battery is mounted in the charging dock that is charged when the charging dock is connected to an external power supply such that the charging dock can be used to charge a device when the charging dock is not connected to the external power supply.
An illustration of a multiple dock charging accessory 2 constructed in accordance with an embodiment of the present invention is shown in
Adapters 20, 22 and 24 allow a user to customize the accessory 2 to accept the particular type of devices that they need to charge. The adapters are preferably constructed from a unitary piece of plastic. The adapters 20, 22 and 24 can be inserted into the docking stations 6 and 8 to configure the stations to receive the different types of portable electronic device. The adapters 20, 22 and 24 alter the inner dimensions of the cavity 12 so that devices of different sizes and shapes can be securely held by the cavity 12. Holes 23 in the adapters 20, 22 and 24 allow the connectors 10 to be coupled to a corresponding connector on a device being charged through the adapter.
As shown in
Referring now to
The output from the current limiter is provided to each of the docking stations 40, 42, 44 and 46. Each docking station has a connector adapted to mate with the particular device to be charged. The charging voltage from the current limiter 38 is electrically coupled to an appropriate electrical contact on the connector to charge the device when the device is docked in the docking station 40, 42, 44 and 46.
An adapter 48 is provided that has a docking interface 50 that is adapted to electrically and physically couple to one of the docking stations 40, 42, 44 and 46. The adapter 48 contains power conditioning circuitry 52 that alters the output voltage of the docking station 40, 42 44 and 46 to which it is coupled to a second output DC voltage level required by a portable device for which the adapter 48 is designed. The power conditioning circuitry 52 provides the proper output voltage and current to an alternative device dock 54 that is adapted to couple to the device for which the adapter 48 is designed. The adapter 48 connects to a docking station 40, 42, 44 and 46 to configure the docking station to accept the alternative type of electronic device. Thus, a proper set of adapters allow a user to configure the charger to accept the particular types of devices that they own. The adapters 48 can preferably be purchased separately such that a consumer can only purchase the particular adapters that they require.
An FM transmitter 47 is coupled to one dock 46 such that an audio signal can be received from a portable electronic device mounted in the dock 46 and broadcast by the FM transmitter 47 to a remote receiver. This allows a user to listen to their digital music player while it is charging over the home stereo receiver. A display and user inputs 49 are provided such that the user can select the desired frequency for the transmitter.
An illustration of a multiple dock charging accessory 62 constructed in accordance with an embodiment of the present invention is shown in
Adapters 80 and 82 can be snapped into the docking stations 66, 68, 70 and 72 to configure the stations to receive a different type of portable electronic device. In the embodiment of
Although there have been described particular embodiments of the present invention of a new and useful MULTIPLE DEVICE CHARGING STATION WITH USER FRIENDLY CONFIGURABLE MOUNT, it is not intended that such references be construed as limitations upon the scope of this invention except as set forth in the following claims.
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